The calculated distance (air line) between Horishni Plavni and Kobelyaky is approximately 28 miles respectively 45 kilometers.
By car or train, the actual journey to Kobelyaky is certainly longer, as only the direct route (as the crow flies) between Horishni Plavni and Kobelyaky has been calculated here.
Air line (approximately)
45 kilometers
24 nautical miles